Black has three equally good moves: 9...Qxb3, 9...Be6 and 9...Be4.
7. h2h3 A rare move that was played twice by Kramnik in 2023. 7... c8f5  8. c2b3  8... d8b6 The natural reply, but not forced. 9. g2g4 The bishop must be chased; otherwise White's opening play is pointless.